VACUUBRAND · Shaft seal
637147
Shaft seal unit for R 2.5 / R 6, complete
Where to get it
No supplier lists this number with us yet. Ask for a quote and a specialist finds price and availability for you.
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As printed in the source
8 | 637147 | Shaft seal unit for R 2.5 / R 6, complete (read by Claude, checked against the page)
Fits 2 models
As listed by VACUUBRAND| Model | Source |
|---|---|
| RE 2.5 | Instructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 23 |
| RZ 2.5 | Instructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 23 |
When ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the RE 2.5
4 · Shaft seal
- Shaft seal unit for R 2.5 / R 6, complete20637147
- Valve seat seal20644384
- External centering ring, PBT, sealing ring NBR, KF DN 10/1620660190
- Set of seals R 2.5 / R 6636946
- Shaft seal unit fo r RC 6, co mplete636997
- Shaft seal unit for R 2.5 / R 6, complete637147
- External centring ring KF DN 10/16, with sealing ring NB R644005
- External centring ring KF DN 10/16, with sealing ring NBR660190
Our drawing of the machine type, with the RE 2.5's own parts; this part is highlighted. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.
In the manufacturer’s drawings
- Position 8 · Exploded viewInstructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 59
Part number, name and fitment as published by VACUUBRAND (source), retrieved 2026-10-20. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.